Andrew Kennaway Henderson (25 May 1879 – 17 January 1960) was a New Zealand clerk, illustrator, cartoonist, editor and pacifist. He was born in London, England. He was imprisoned twice as a conscientious objector in World War I and drew numerous cartoons from a socialist point of view. He edited and published the left-wing literary magazine Tomorrow in Christchurch, New Zealand from 1934 to 1940.